Damascus climate

Damascus Weather in May

NOAA 1991-2020 normals for Portland WFO, 17 km from Damascus

Average highs run from 66°F on May 1 to 71°F on May 31, and lows from 46°F to 51°F. Normal precipitation for the month is 2.76 in over about 14 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Damascus, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
69°F
Average low
48°F
Precipitation
2.76 in
Record high
96°FMay 22, 2001
Record low
34°FMay 1, 2013
Chance of a freeze
0%
Days of 90°F or more
0.8
Daylight
14 h 19 min to 15 h 25 min
Cloud cover
70%
Humidity
82%
Dew point
48°F
Wind
4.5 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 166°F46°F88°F 201434°F 201349%0%
May 267°F46°F88°F 201634°F 200649%0%
May 367°F46°F91°F 202636°F 200649%0%
May 467°F46°F85°F 201735°F 200248%0%
May 567°F46°F84°F 201335°F 200748%0%
May 668°F47°F84°F 201337°F 200047%0%
May 768°F47°F86°F 201637°F 200047%0%
May 868°F47°F80°F 200734°F 200247%0%
May 968°F47°F84°F 201535°F 200646%0%
May 1069°F47°F92°F 202434°F 199946%0%
May 1169°F48°F91°F 202436°F 201246%0%
May 1269°F48°F89°F 202337°F 201146%0%
May 1369°F48°F92°F 202336°F 202245%0%
May 1469°F48°F90°F 202338°F 200745%0%
May 1570°F48°F92°F 202338°F 200245%0%
May 1670°F49°F90°F 200838°F 200245%0%
May 1770°F49°F92°F 200839°F 200345%0%
May 1870°F49°F85°F 202339°F 200344%0%
May 1970°F49°F84°F 200838°F 200344%0%
May 2070°F49°F82°F 202339°F 200144%0%
May 2170°F49°F86°F 200140°F 200943%0%
May 2270°F50°F96°F 200143°F 199943%0%
May 2371°F50°F89°F 200139°F 200543%0%
May 2471°F50°F80°F 199941°F 200542%0%
May 2571°F50°F84°F 202345°F 200542%0%
May 2671°F50°F88°F 200539°F 199941%0%
May 2771°F50°F90°F 200545°F 199941%0%
May 2871°F50°F93°F 202044°F 200141%0%
May 2971°F51°F88°F 200937°F 200140%0%
May 3071°F51°F89°F 200741°F 199940%0%
May 3171°F51°F94°F 200141°F 202639%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Damascus, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 5:58 AM, sunset 8:17 PM
May 31
sunrise 5:25 AM, sunset 8:50 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00356750 (Portland WFO), public domain. Records: NOAA GHCN-Daily, station USW00024242, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.